View a plot of summary statistics after using `irt_stan`

1 | ```
stan_columns_plot(fit, stat = "Rhat", ...)
``` |

`fit` |
A |

`stat` |
A string for the statistic from the |

`...` |
Additional options (such as |

A `ggplot`

object.

See `stan_rhat`

, which provides a histogram of
Rhat statistics.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | ```
# Make a suitable data list:
spelling_list <- irt_data(response_matrix = spelling[, 2:5],
covariates = spelling[, "male", drop = FALSE],
formula = ~ 1 + male)
## Not run:
# Fit a latent regression 2PL
twopl_fit <- irt_stan(spelling_list, model = "2pl_latent_reg.stan",
iter = 300, chains = 4)
# Get a plot showing Rhat statistics
rhat_columns(twopl_fit)
# Get a plot showing number of effective draws
rhat_columns(twopl_fit, stat = "n_eff")
## End(Not run)
``` |

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